| 摘要 |
<p>An additive composition used to impart flame retardency to a polymer or copolymer derived from at least one ethylenically unsaturated monomer, for example polypropylene, comprises the following: (i) 15 to 50 wt % of a nitrogenous organic base such as a melamine salt, (ii) 15 to 60 wt % of red phosphorus or a phosphorus compound and (iii) 7 to 30 wt % of one or more saturated aliphatic polyols such as pentaerythritol.</p> |
